楊利平 王川坤 尚婷婷 曾亞琦 王建文 諾魯甫 馬康偉 姚新奎 孟軍
doi:10.6048/j.issn.1001-4330.2024.03.027
摘? 要:【目的】研究調(diào)教訓(xùn)練對伊犁馬2 000 m速步賽血?dú)庵笜?biāo)的影響,為制定科學(xué)調(diào)教訓(xùn)練方案提供數(shù)據(jù)參考。
【方法】選取未經(jīng)專項(xiàng)速步賽調(diào)教訓(xùn)練的健康伊犁馬(2歲)12匹,進(jìn)行為期12周的速步專項(xiàng)訓(xùn)練,訓(xùn)練期間每4周組織一次速步測試賽,記錄比賽成績,并采集馬匹賽前、賽后即刻、賽后30 min及賽后60 min的血液測定血?dú)庵笜?biāo)。
【結(jié)果】優(yōu)秀組和普通組馬匹訓(xùn)練中期和訓(xùn)練后期的比賽用時極顯著低于訓(xùn)練前期(P<0.01)。pH訓(xùn)練中期顯著低于訓(xùn)練前期(P<0.05)。乳酸(lactic acid,Lac)訓(xùn)練中期極顯著高于訓(xùn)練前期(P<0.01)。Na+訓(xùn)練中期極顯著低于訓(xùn)練前期和后期(P<0.01)。Ca2+訓(xùn)練后期極顯著低于訓(xùn)練前期(P<0.01),顯著低于訓(xùn)練訓(xùn)練中期(P<0.05)。Cl-訓(xùn)練后期顯著低于訓(xùn)練前期(P<0.05),訓(xùn)練中期極顯著低于訓(xùn)練前期(P<0.01)。陰離子間隙(anion gap,AG)訓(xùn)練后期顯著高于訓(xùn)練前期(P<0.05)。血糖(glucose,Glu)訓(xùn)練后期極顯著高于訓(xùn)練前期和訓(xùn)練中期(P<0.01)。肌酐(creatinine,Crea)訓(xùn)練中期極顯著高于訓(xùn)練前期和訓(xùn)練后期(P<0.01)。
【結(jié)論】調(diào)教訓(xùn)練后2 000 m伊犁馬速步賽的成績、酸堿平衡能力、氣體交換能力及葡萄糖供應(yīng)能力均顯著提高。在訓(xùn)練過程中,適當(dāng)補(bǔ)充電解質(zhì)來維持機(jī)體離子水平。血?dú)庵笜?biāo)可以作為馬匹運(yùn)動訓(xùn)練中的健康監(jiān)測手段。
關(guān)鍵詞:調(diào)教訓(xùn)練;伊犁馬;速步賽;血?dú)庵笜?biāo)
中圖分類號:S821??? 文獻(xiàn)標(biāo)志碼:A??? 文章編號:1001-4330(2024)03-0757-09
收稿日期(Received):
2023-08-01
基金項(xiàng)目:
新疆維吾爾自治區(qū)自然科學(xué)基金項(xiàng)目(2021D01B50);新疆維吾爾自治區(qū)重大科技專項(xiàng)(2022A02013-1)
作者簡介:
楊利平(1997-),女,新疆奎屯人,碩士研究生,研究方向?yàn)閯游锷a(chǎn)學(xué),(E-mail)2292115202@qq.com
通訊作者:
孟軍(1986- ),男,江蘇鹽城人,教授,碩士生/博士生導(dǎo)師,研究方向?yàn)閯游锷a(chǎn)學(xué),(E-mail)junm86@qq.com
0? 引 言
【研究意義】隨著馬匹賽事、場次、類型增加,提高對運(yùn)動馬匹的需求不斷增加[1]。調(diào)教訓(xùn)練與飼養(yǎng)管理是影響馬匹賽事成績與運(yùn)動性能的外在因素[2-3]。運(yùn)動類型、強(qiáng)度、持續(xù)時間以及訓(xùn)練水平會對機(jī)體生理循環(huán)系統(tǒng)與神經(jīng)系統(tǒng)產(chǎn)生一系列綜合的生理反應(yīng),影響機(jī)體內(nèi)穩(wěn)定狀況[4]。【前人研究進(jìn)展】Aishuwaier等[5]研究發(fā)現(xiàn),不同運(yùn)動訓(xùn)練強(qiáng)度會影響足球運(yùn)動員血?dú)庵笜?biāo),在訓(xùn)練前后足球運(yùn)動員血液中陰離子間隙顯著升高和鎂離子濃度顯著降低,導(dǎo)致機(jī)體出現(xiàn)短暫的代謝性酸中毒,從而影響運(yùn)動員競技表現(xiàn)和賽后疲勞恢復(fù)能力。Arfuso等[6]研究表明,不同訓(xùn)練階段能夠顯著影響障礙賽馬匹血?dú)庵笜?biāo)PO2、HCO-3、Hct和Hb等變化,并且連續(xù)2 d高強(qiáng)度的障礙賽事使得馬匹機(jī)體酸堿失衡,賽后恢復(fù)時間延長,從而影響馬匹的健康和賽事表現(xiàn)。特定訓(xùn)練計(jì)劃下,監(jiān)測運(yùn)動前后血?dú)庵笜?biāo)的動態(tài)變化可評估運(yùn)動員或運(yùn)動馬當(dāng)前生理狀態(tài)和訓(xùn)練適應(yīng)性強(qiáng)度的訓(xùn)練方案或標(biāo)準(zhǔn)的優(yōu)化提供參考依據(jù),以保障運(yùn)動馬的健康和提高運(yùn)動表現(xiàn)[7]?!颈狙芯壳腥朦c(diǎn)】伊犁馬作為我國自主培育的優(yōu)良運(yùn)動馬匹,其在速步賽事的調(diào)教訓(xùn)練計(jì)劃尚不完善,如果調(diào)教員或騎手對馬匹運(yùn)動負(fù)荷控制不當(dāng),缺乏科學(xué)性、合理性,很可能會影響馬匹的健康及運(yùn)動性能。血?dú)庵笜?biāo)的動態(tài)變化可以評估馬匹的生理狀態(tài)。需建立速步型伊犁馬的調(diào)教訓(xùn)練體系和健全的監(jiān)測系統(tǒng)?!緮M解決的關(guān)鍵問題】試驗(yàn)以伊犁馬為研究對象,研究調(diào)教訓(xùn)練對伊犁馬2 000 m速步賽血?dú)庵笜?biāo)的影響,為速步型伊犁馬制定科學(xué)合理的調(diào)教訓(xùn)練方案提供理論依據(jù)。
1? 材料與方法
1.1? 材 料
試驗(yàn)于2022年7月至10月在新疆昭蘇縣昭蘇馬場進(jìn)行。選取未經(jīng)專項(xiàng)速步賽調(diào)教訓(xùn)練、健康的伊犁馬(2歲)12匹,所有馬匹在相同的飼養(yǎng)管理?xiàng)l件下,單廄飼養(yǎng)。試驗(yàn)馬匹、騎師及測試跑道均由新疆昭蘇縣昭蘇馬場提供。試驗(yàn)測試跑道為2 000 m沙地跑道。
1.2? 方 法
12匹伊犁馬進(jìn)行為期12周的速步專項(xiàng)訓(xùn)練。每隔4周組織一次測試賽,使用Finish Lynx終點(diǎn)計(jì)時系統(tǒng)記錄比賽用時,分別在賽前、賽后即刻、賽后30 min、賽后60 min采集血液樣本,用血?dú)夥治鰞x檢測血?dú)庵笜?biāo)。選出比賽成績穩(wěn)定在前6名中的4匹馬定為優(yōu)秀組,比賽成績穩(wěn)定在后6名中的4匹馬定為普通組。
將采集的血液樣本立即通過i-stat 300血?dú)夥治鰞x(采用Ca18血?dú)庠嚻┻M(jìn)行檢測,測定指標(biāo)有酸堿度(pH)、碳酸鹽(HCO-3)、細(xì)胞外液剩余堿(BEecf)、全血剩余堿(BEb)、乳酸(Lac)、二氧化碳分壓(PCO2)、氧分壓(PO2)、二氧化碳總量(TCO2)、血氧飽和度(SO2)、鈉離子(Na+)、鉀離子(K+)、鈣離子(Ca2+)、氯離子(Cl-)、陰離子間隙(AG)、紅細(xì)胞比容(Hct)、血紅蛋白(Hgb)、血糖(Glu)、肌酐(Crea)等血?dú)庵笜?biāo)。表1
1.3? 數(shù)據(jù)處理
通過Excel對各階段的比賽成績和血?dú)鈹?shù)據(jù)進(jìn)行整理。比賽成績使用SPSS 19.0軟件中獨(dú)立樣本T檢驗(yàn),以P<0.05和P<0.01為差異性判斷。各階段血?dú)庵笜?biāo)數(shù)據(jù)使用SPSS 19.0軟件中一般線性模型進(jìn)行多變量方差分析,固定效應(yīng)有訓(xùn)練階段、性能、采樣時間、訓(xùn)練階段×性能的交互作用及訓(xùn)練階段×采樣時間的交互作用,進(jìn)行多重比較,結(jié)果以平均值±標(biāo)準(zhǔn)差(Mean ± SD)表示。P<0.05為差異顯著,P<0.01為差異極顯著。
2? 結(jié)果與分析
2.1? 不同訓(xùn)練階段馬匹比賽成績的變化
研究表明,訓(xùn)練前期優(yōu)秀組和普通組馬匹比賽用時無顯著差異(P>0.05)。訓(xùn)練中期和訓(xùn)練后期優(yōu)秀組馬匹比賽用時極顯著低于普通組(P<0.01)。優(yōu)秀組馬匹比賽用時,訓(xùn)練中期和訓(xùn)練后期極顯著低于訓(xùn)練前期(P<0.01),而訓(xùn)練中期和訓(xùn)練后期無顯著差異(P>0.05)。普通組馬匹比賽用時,訓(xùn)練中期和訓(xùn)練后期極顯著低于訓(xùn)練前期(P<0.01),訓(xùn)練后期顯著低于訓(xùn)練中期(P<0.05)。表2
2.2? 不同訓(xùn)練階段馬匹靜脈血中酸堿平衡指標(biāo)的變化
研究表明,pH、HCO-3、BEecf、BEb和Lac受采樣時間因素極顯著影響(P<0.01),但均不受訓(xùn)練階段×性能交互作用的影響(P>0.05)。pH受訓(xùn)練階段×采樣時間交互作用的顯著影響(P<0.05),而HCO-3、BEecf 、BEb 、Lac均不受訓(xùn)練階段×采樣時間交互作用的影響(P>0.05)。pH訓(xùn)練中期顯著低于訓(xùn)練前期(P<0.05),但訓(xùn)練后期與訓(xùn)練前期、訓(xùn)練中期無顯著差異(P>0.05)。Lac濃度受性能的極顯著影響(P<0.01),Lac濃度訓(xùn)練中期極顯著高于訓(xùn)練前期(P<0.01),訓(xùn)練后期顯著高于訓(xùn)練前期(P<0.05),而訓(xùn)練中期和訓(xùn)練后期無顯著差異(P>0.05)。表3
2.3? 不同訓(xùn)練階段馬匹靜脈血中氣體平衡指標(biāo)的變化
研究表明,PCO2、PO2、TCO2和SO2均不受訓(xùn)練階段、性能和訓(xùn)練階段×采樣時間交互作用的影響(P>0.05),但PCO2與TCO2受采樣時間的極顯著影響(P<0.01),而PO2受采樣時間與訓(xùn)練階段×性能交互作用的顯著影響(P<0.05),但PCO2、TCO2、SO2均不受訓(xùn)練階段×性能交互作用的影響(P>0.05)。表4
2.4? 不同訓(xùn)練階段馬匹靜脈血中離子平衡指標(biāo)的變化
研究表明,Na+、K+、Ca2+、Cl-、AG均不受性能和訓(xùn)練階段×性能交互作用的影響(P>0.05)。Na+、K+、AG受訓(xùn)練階段×采樣時間交互作用的極顯著影響(P<0.01),Ca2+受訓(xùn)練階段×采樣時間交互作用的顯著影響(P<0.05),而Cl-不受訓(xùn)練階段×采樣時間交互作用的影響(P>0.05)。Ca2+與AG受采樣時間極顯著影響(P<0.01),K+受采樣時間顯著影響(P<0.05),而Na+、Cl-不受采樣時間的影響(P>0.05)。Na+濃度訓(xùn)練中期極顯著低于訓(xùn)練前期和后期(P<0.01),而訓(xùn)練前期和后期無顯著差異(P>0.05)。Ca2+濃度訓(xùn)練后期極顯著低于訓(xùn)練前期(P<0.01),顯著低于訓(xùn)練訓(xùn)練中期(P<0.05),而訓(xùn)練前期和訓(xùn)練中期無顯著差異(P>0.05)。Cl-濃度訓(xùn)練后期顯著低于訓(xùn)練前期(P<0.05),訓(xùn)練中期極顯著低于訓(xùn)練前期(P<0.01),而訓(xùn)練中期和訓(xùn)練后期無顯著差異(P>0.05)。AG濃度訓(xùn)練后期顯著高于訓(xùn)練前期(P<0.05),但訓(xùn)練中期與訓(xùn)練前期、訓(xùn)練后期無顯著差異(P>0.05)。表5
2.5? 不同訓(xùn)練階段馬匹靜脈血中Hct、Hgb、Glu、Crea的變化
研究表明,Hct、Hgb、Glu、Crea均不受性能和訓(xùn)練階段×性能交互作用的影響(P>0.05),但受采樣時間極顯著影響(P<0.01)。Hct、Hgb、Glu均不受訓(xùn)練階段×采樣時間交互作用的影響(P>0.05),而Crea受訓(xùn)練階段×采樣時間交互作用的極顯著影響(P<0.01)。Glu濃度訓(xùn)練后期極顯著高于訓(xùn)練前期和訓(xùn)練中期(P<0.01),但訓(xùn)練前期和訓(xùn)練中期無顯著差異(P>0.05)。Crea濃度訓(xùn)練中期極顯著低于訓(xùn)練前期和訓(xùn)練后期(P<0.01),但訓(xùn)練前期和訓(xùn)練后期無顯著差異(P>0.05)。表6
3? 討 論
3.1? 不同訓(xùn)練階段對馬匹比賽成績的影響
調(diào)教訓(xùn)練是運(yùn)動馬競技賽事的重要組成部分,對提高馬匹運(yùn)動成績及賽后恢復(fù)能力等具有重要作用[8]。長期進(jìn)行有規(guī)律的調(diào)教訓(xùn)練不僅能夠增強(qiáng)心肺呼吸功能、改善機(jī)體骨質(zhì)代謝、促進(jìn)肌肉生長及提高肌肉組織性能,還可以有效清除體內(nèi)大量的自由基和增強(qiáng)抗氧化酶的活性,從而提高機(jī)體的抗氧化能力[9-12]。吳鑫龍等[13]研究表明,競走運(yùn)動員在高原進(jìn)行科學(xué)合理的訓(xùn)練,能夠顯著提高競走運(yùn)動員運(yùn)動成績和運(yùn)動能力。羅鵬輝[14]研究發(fā)現(xiàn),伊犁馬進(jìn)行為期9周的負(fù)重訓(xùn)練,在訓(xùn)練的第9周馬匹12 km測試賽成績顯著高于訓(xùn)練前和訓(xùn)練其他各階段。研究中,相比訓(xùn)練前期,優(yōu)秀組和普通組馬匹訓(xùn)練中期和訓(xùn)練后期速步賽成績均極顯著提高,與前人研究相似。隨著調(diào)教訓(xùn)練的持續(xù)進(jìn)行,馬匹的新陳代謝加快,改善了馬匹在運(yùn)動過程中呼吸頻次、心率,使機(jī)體各機(jī)能間更加協(xié)調(diào)。同時,增強(qiáng)了馬匹肌肉群在運(yùn)動過程中的爆發(fā)、收縮和耐受等能力,從而提高比賽成績[15]。
3.2? 不同訓(xùn)練階段對馬匹血液中酸堿平衡指標(biāo)的影響
機(jī)體血液中的pH、HCO-3、BEecf、BEb及Lac是維持機(jī)體酸堿平衡的重要指標(biāo),能夠反映機(jī)體是否出現(xiàn)代謝性酸堿中毒[16]。代謝性酸堿中毒主要受運(yùn)動強(qiáng)度及運(yùn)動時間的影響[17]。張?jiān)碌龋?8]研究發(fā)現(xiàn),馬匹賽前進(jìn)行不同程度的熱身活動能夠顯著影響馬匹1 000 m速度賽賽前和賽后各階段血液中pH、BEecf、BEb和Lac,且賽前高強(qiáng)度熱身使得馬匹賽后平衡機(jī)體酸堿能力較差。Poskiene等[19]研究發(fā)現(xiàn),薩莫吉提亞馬進(jìn)行60 km耐力賽,馬匹賽后pH極顯著高于賽前,且賽后BEecf和BEb高于賽前。研究中,馬匹血液中酸堿指標(biāo)均受采樣時間(即賽前、賽后即可、賽后30 min和賽后60 min)極顯著影響,與前人研究一致。馬匹血液pH訓(xùn)練中期顯著低于訓(xùn)練前期,乳酸濃度則訓(xùn)練中期極顯著高于訓(xùn)練前期,同時BEecf和BEb訓(xùn)練中期均低于訓(xùn)練前期和后期??赡苡捎隈R匹處在從訓(xùn)練前期向訓(xùn)練中期的過渡階段,還未很好地適應(yīng)該訓(xùn)練強(qiáng)度,運(yùn)動后體內(nèi)乳酸大量堆積,使得血液中pH下降,為了維持體內(nèi)的酸堿平衡,消耗了血液中的剩余堿,導(dǎo)致剩余堿含量降低。在整個訓(xùn)練階段,馬匹血液中pH的變化均在正常生理范圍內(nèi)[20],該訓(xùn)練方案不會對馬匹產(chǎn)生酸中毒影響。在訓(xùn)練后期,馬匹血液中pH、BEecf和BEb均有所提高,乳酸下降,表明隨著訓(xùn)練的持續(xù),提高了馬匹的新陳代謝,使機(jī)體各機(jī)能更加協(xié)調(diào)以適應(yīng)訓(xùn)練強(qiáng)度。
3.3? 不同訓(xùn)練階段對馬匹血液中氣體平衡指標(biāo)的影響
PCO2、PO2、SO2、TCO2是共同反映機(jī)體內(nèi)組織換氣和肺換氣的指標(biāo),是呼吸氣體交換的動力,能夠反映機(jī)體內(nèi)呼吸性酸堿平衡和機(jī)體是否處于缺氧狀態(tài)[18]。在運(yùn)動過程中,由于肌肉組織的收縮功能需要大量的能量和氧氣,氧氣需求量提高,心臟的收縮次數(shù)、呼吸次數(shù)及肺部收縮程度均有所提高,故運(yùn)動時間越長,肌肉長時間收縮,心肺需給肌肉組織供需足夠的氧氣來運(yùn)輸存在于肌肉組織中的代謝產(chǎn)物[21]。研究中,馬匹血液中SO2隨著訓(xùn)練階段呈逐漸升高趨勢,而TCO2呈逐漸下降趨勢,PO2訓(xùn)練中期和后期均高于訓(xùn)練前期,并且受訓(xùn)練階段和性能交互作用顯著影響。與前人研究馬在不同賽事的結(jié)果相一致[6-7,22],調(diào)教訓(xùn)練的持續(xù),不會導(dǎo)致馬匹出現(xiàn)過度換氣,能夠促進(jìn)馬匹適應(yīng)該調(diào)教訓(xùn)練,改善馬匹的呼吸及心肺功能,提高血液中血氧結(jié)合能力、血液向組織運(yùn)輸能力及氧氣的輸送能力[23]。
3.4? 不同訓(xùn)練階段對馬匹血液中離子平衡指標(biāo)的影響
Na+、K+、Ca2+和Cl-是動物體內(nèi)重要的電解質(zhì),在維持體液滲透壓、調(diào)節(jié)酸堿平衡、控制水代謝和保證營養(yǎng)素的適宜代謝環(huán)境方面發(fā)揮著重要作用[24]。機(jī)體內(nèi)離子會隨著訓(xùn)練中體液的流失導(dǎo)致電解質(zhì)失衡紊亂造成訓(xùn)練疲勞[25]。Linhares等[26]研究發(fā)現(xiàn),高強(qiáng)度賽事馬匹血液中Na+濃度顯著高于低強(qiáng)度賽事馬匹,而Cl-濃度則相反。研究中,訓(xùn)練后期馬匹血液中Na+濃度顯著高于訓(xùn)練中期;Ca2+和Cl-濃度訓(xùn)練后期顯著低于訓(xùn)練前期,而AG訓(xùn)練后期顯著高于訓(xùn)練前期。Na+濃度的升高一方面可能與機(jī)體鈉泵生理作用有關(guān),另一方面可能是運(yùn)動訓(xùn)練中馬匹的呼吸、皮膚及汗腺水分流失等方面的高滲性脫水[27]。Ca2+濃度下降與血液中H+濃度和HCO-3濃度呈正相關(guān)[28],訓(xùn)練后期馬匹血液pH低和HCO-3濃度低,動物體有機(jī)酸分泌增加,增強(qiáng)了Ca2+與有機(jī)酸結(jié)合,從而使血中Ca2+下降,影響馬匹肌肉的收縮與放松。Cl-濃度下降與運(yùn)動訓(xùn)練中馬匹高滲性脫水相關(guān)[29]。AG的變化與機(jī)體陽離子和陰離子變化相關(guān),鈉鉀泵維持細(xì)胞滲透壓平衡,使馬匹Na+濃度的升高,Cl-濃度下降,因此AG升高。此外,訓(xùn)練階段中,馬匹血液中K+濃度呈降低趨勢,K+濃度低與馬匹訓(xùn)練中易疲勞相關(guān)[30]。
3.5? 不同訓(xùn)練階段對馬匹血液中中Hct、Hgb、Glu、Crea的影響
Hgb和Hct是反映機(jī)體心血管氣體、養(yǎng)分運(yùn)輸能力和評價運(yùn)動訓(xùn)練下生理狀態(tài)和代謝調(diào)節(jié)能力的重要指標(biāo)[31-32],不僅受運(yùn)動強(qiáng)度影響,也受神經(jīng)興奮性的影響[33]。Boffi[34]研究表明,Hct也可能與脾臟收縮使大量紅細(xì)胞進(jìn)入血液有關(guān),脾臟能夠儲存體內(nèi)約50%的Hct,其收縮可以使Hct水平從靜止時的32%~42%提高到運(yùn)動時的60~70%。Casella等[7]研究發(fā)現(xiàn),隨著訓(xùn)練的持續(xù)和逐漸提高訓(xùn)練強(qiáng)度,可以提高馬靜息狀態(tài)下的Hb濃度。試驗(yàn)結(jié)果,訓(xùn)練階段對馬匹Hct和Hgb無顯著影響,與上述試驗(yàn)結(jié)果氣體平衡指標(biāo)相符。調(diào)教訓(xùn)練能夠使馬匹較好的適應(yīng)訓(xùn)練過程中組織換氣及生理變化,使馬匹出現(xiàn)過度換氣的現(xiàn)象減少。
血糖是機(jī)體神經(jīng)、心臟及肌肉活動的主要能源物質(zhì),同時也是機(jī)體新陳代謝的中間產(chǎn)物[35]。運(yùn)動期間的機(jī)體葡萄糖水平不僅取決于能量狀態(tài)、食物消耗、運(yùn)動強(qiáng)度和糖原負(fù)荷水平,也受神經(jīng)與激素的調(diào)控[35-36]。肌酐是動物體肌肉中肌酸的代謝產(chǎn)物,直接由腎臟排出,肌酐水平不僅可以反映肌肉組織肌酸磷酸氧化供能程度,反映運(yùn)動員爆發(fā)和速度能力,還是評價腎功能重要指標(biāo)[37]。Martins等[38]研究發(fā)現(xiàn),馬血液中的葡萄糖濃度會根據(jù)運(yùn)動強(qiáng)度和持續(xù)時間逐漸增加,在運(yùn)動結(jié)束時達(dá)到峰值。研究中,訓(xùn)練后期馬匹血液中葡萄糖濃度極顯著高于訓(xùn)練前期和中期,而肌酐濃度顯著高于訓(xùn)練中期。運(yùn)動過程中馬匹血糖的升高是由于促進(jìn)了肝糖原分解異生葡萄糖的途徑[39]。此外,運(yùn)動訓(xùn)練可刺激機(jī)體增加腎上腺素皮質(zhì)分泌的皮質(zhì)醇,皮質(zhì)醇可增強(qiáng)機(jī)體糖異生途徑,同時作用于胰島β細(xì)胞,刺激胰高血糖素的分泌,從而使血糖升高,從而提高運(yùn)動能力[40-41]。運(yùn)動訓(xùn)練可增強(qiáng)肌肉組織性能,使肌纖維變粗,同時肌肉中蛋白質(zhì)含量增加,進(jìn)而提高了肌肉中ATP-CP能力,從而使得肌酐濃度升高[42-43]。
4? 結(jié) 論
優(yōu)秀組和普通組馬匹訓(xùn)練中期和訓(xùn)練后期的比賽用時極顯著低于訓(xùn)練前期(P<0.01)。調(diào)教訓(xùn)練后2 000 m伊犁馬速步賽的成績、酸堿平衡能力、氣體交換能力及葡萄糖供應(yīng)能力均顯著提高。在訓(xùn)練過程中,適當(dāng)補(bǔ)充電解質(zhì)來維持機(jī)體離子水平。
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Effect of conditioning training on blood-gas indexes in 2,000 m trot race in Yili horses
YANG Liping1,WANG Chuankun1,SHANG Tingting1,ZENG Yaqi1,2,3,WANG Jianwen1,2,3,NUO Lufu4,MA Kangwei5,YAO Xinkui1,2,3,MENG Jun1,2,3
(1. College of Animal Science,Xinjiang Agricultural University,Urumqi 830052,China; 2.Horse Industry Research Institute,Xinjiang Agricultural University,Urumqi 830052,China; 3.Xinjiang Key Laboratory of Horse Breeding and Sports Physiology,Urumqi 830052,China; 4.Xinjiang Zhaosu Horse Farm,Zhaosu Xinjiang 835602,China; 5.Zhaosu County Western Equine Industry Co,Zhaosu Xinjiang 835600,China)
Abstract:【Objective】 The purpose of this paper is to study the effect of conditioning training on the blood gas indexes of 2,000 m trot race horses in Yili and to provide data reference for the development of scientific conditioning training programs.
【Methods】?? Twelve healthy Yili horses(2 years old) without special trot training were selected for special trot training for a period of 12 weeks,and a trotter was organized 4 weeks during the training period to record the race results.
【Results】 The competition performance of the horses in the middle and post training periods was extremely significantly lower(P<0.01) than that in the early training period those in the excellent and regular groups.pH was significantly lower(P<0.05) in the middle training period than that in the early training period.Lactic acid(Lac) in middle training was highly significant higher than that in early training(P<0.01).Na+ middle training was highly significant lower than those in early and post training period(P<0.01).Ca2+ post training was highly significant lower than that in early training(P<0.01) and significantly lower than that in middle training(P<0.05).Cl- post training was significantly lower than that in early training(P<0.05) and middle training was highly significant lower than that in the early training period(P<0.01).Anion gap(AG) was significantly higher than those in late training and in the beginning of training(P<0.05).Glucose(Glu) was highly significantly higher in late training than those in early training and middle training(P<0.01).Creatinine(Crea) was highly significantly higher in middle training than that in the beginning of training and post training(P<0.01).
【Conclusion】? The performance,acid-base balance capacity,gas exchange capacity and glucose supply capacity of 2,000 m Yili horses trotter are significantly improved after conditioning training under the present experimental conditions.It is recommended to maintain the ionic level of the organism during training with appropriate electrolyte supplementation.Therefore,blood-gas indexes can be used as a health monitoring tool in equine sports training.
Key words:conditioning raining; Yili horses; trot; blood-gas indexes
Fund projects:Natural Science Foundation of Xinjiang Uygur Autonomous Region(2021D01B50) ;Major Science and Technology Special Project of Xinjiang Uygur Autonomous Region(2022A02013-1)
Correspondence author: MENG Jun(1986-),male,from Yancheng,Jiangsu,professor,research interests in animal production,(E-mail)junm86@qq.com